Pixel driving circuit for driving an organic light emitting diode to emit light, pixel driving method, array substrate and display device
US10467956B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2015 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Feb 20, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/023
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a pixel driving circuit, an array substrate and a display device. The pixel driving circuit comprises a charge storage unit, for receiving a power supply voltage signal; a driving unit, for generating a driving current that drives the OLED to emit light; a reset unit, for writing a voltage of an initial voltage signal into a second terminal of the charge storage unit in a reset phase; a data write unit, for writing a voltage of a data voltage signal and the threshold voltage of the driving unit into the second terminal of the charge storage unit in a data write phase; and a light emitting control unit, for controlling the power supply voltage signal to be written into the driving unit so as to generate the driving signal in a light emitting phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.